update : 2015.11.03
php.shukuma.com

검색:
 
 
Free result memory

pg_free_result

(PHP 4 >= 4.2.0, PHP 5)

pg_free_resultFree result memory

설명

bool pg_free_result ( resource $result )

pg_free_result() frees the memory and data associated with the specified PostgreSQL query result resource.

This function need only be called if memory consumption during script execution is a problem. Otherwise, all result memory will be automatically freed when the script ends.

Note:

This function used to be called pg_freeresult().

인수

result

PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

반환값

성공 시 TRUE를, 실패 시 FALSE를 반환합니다.

예제

Example #1 pg_free_result() example

<?php
$db 
pg_connect("dbname=users user=me") || die();

$res pg_query($db"SELECT 1 UNION ALL SELECT 2");

$val pg_fetch_result($res10);

echo 
"First field in the second row is: "$val"\n";

pg_free_result($res);
?>

위 예제의 출력:

First field in the second row is: 2

참고

  • pg_query() - Execute a query
  • pg_query_params() - Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text.
  • pg_execute() - Sends a request to execute a prepared statement with given parameters, and waits for the result.